[0.30] upload recording fails with 401

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Steps to reproduce

1. Record a meeting / Stop the Recording
2. No notification of the completed upload
3. Recording is not being uploaded. However, you can find it in /tmp of the recording server

Expected behaviour

Recording should be uploaded to nextcloud instance.

Actual behaviour

Upload process fails with:

2026-09-05T10:24:26.596482+02:00 rec nextcloud-talk-recording[7223]: requests.exceptions.HTTPError: 401 Client Error: Unauthorized for url: https://domain.de/public.php/dav/uploads/zrAbAGc6AZykG9c/F_vNn99IWo-9CCmejv7Ng8aXog_vSgYxdhpL0MMTw4U

Server configuration

Web server: Apache

Database: MySQL

PHP version: 8.4

Nextcloud version: 34.0.3

Is the problem perhaps related to https://github.com/nextcloud/server/issues/59391 ?

cheers!

Start by reproducing the recording upload from the recording server and trace the request to the Nextcloud public DAV upload endpoint shown in the error. Check the upload process and its authentication context, then verify that a stopped recording uploads successfully and no longer remains only in /tmp.